TransAlta (TAC) - Market capitalization

Market cap: €3.86 Billion

As of July 2026 TransAlta has a market cap of €3.86 Billion. This makes TransAlta the world's 3423th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of TransAlta from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	€3.86 B	19.04%
2025	€3.24 B	-20.61%
2024	€4.08 B	75.3%
2023	€2.33 B	3.43%
2022	€2.25 B	-14.57%
2021	€2.63 B	55.98%
2020	€1.69 B	-3.86%
2019	€1.75 B	72.07%
2018	€1.02 B	-28.16%
2017	€1.42 B	-5.7%
2016	€1.50 B	64.09%
2015	€0.91 B	-55.15%
2014	€2.04 B	-16.65%
2013	€2.45 B	-15.96%
2012	€2.92 B	-17.46%
2011	€3.54 B	1.2%
2010	€3.50 B	2.48%
2009	€3.41 B	20.85%
2008	€2.82 B	-38.74%
2007	€4.61 B	32.18%
2006	€3.49 B	-4.58%
2005	€3.66 B	69.32%
2004	€2.16 B	0.38%
2003	€2.15 B	21.69%
2002	€1.76 B	-32.45%
2001	€2.62 B	3.32%
2000	€2.53 B	50.22%
1999	€1.68 B	-19.26%
1998	€2.09 B	5.57%
1997	€1.98 B	23.68%
1996	€1.60 B

End of Day market cap according to different sources

On Jul 20th, 2026 the market cap of TransAlta was reported to be:

€3.58 Billion

by Nasdaq

€3.79 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
AES AES	€9.26 B	139.99%	🇺🇸 USA
Suncor Energy SU	€65.36 B	1,593.22%	🇨🇦 Canada
Enbridge ENB	€106.05 B	2,647.19%	🇨🇦 Canada

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of TransAlta (TAC)

Market cap: €3.86 Billion